Justice Buchanan may refer to:
- Alexander McKenzie Buchanan (1805–1868), associate justice of the Louisiana Supreme Court
- Archibald C. Buchanan (1890–1979), associate justice of the Supreme Court of Virginia
- Arthur S. Buchanan (1856–1919), associate justice of the Tennessee Supreme Court
- John Buchanan (Maryland judge) (1772–1844), associate justice and chief justice of the Maryland Court of Appeals
- John A. Buchanan (1843–1921), associate justice of the Supreme Court of Virginia
- Peter Buchanan (judge) (1943–2014), judge of the Supreme Court of Victoria
This disambiguation page lists articles associated with the title Justice Buchanan.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: